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The ornamental design for a fire safety mask, as shown and described. |
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FIG. 1 is a perspective view of a fire safety mask showing my new design;
FIG. 2 is a top plan view thereof;
FIG. 3 is a front elevational view thereof, the rear being a mirror image;
FIG. 4 is a side elevational view thereof, the opposite side being a mirror image; and,
FIG. 5 is a bottom plan view thereof.
The broken line showing of a person in FIG. 1 is for illustrative purposes only and forms no part of the claimed design.
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